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authorChristian König <christian.koenig@amd.com>2013-11-12 12:58:05 +0100
committerAlex Deucher <alexander.deucher@amd.com>2013-11-15 21:56:09 +0100
commit1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e (patch)
treeb12139b37c3d712973baabfd5f8142728e36ef2a /drivers/gpu/drm/radeon/si_dma.c
parentdrm/radeon: add semaphore trace point (diff)
downloadlinux-1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e.tar.xz
linux-1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e.zip
drm/radeon: allow semaphore emission to fail
To workaround bugs and/or certain limits it's sometimes useful to fall back to waiting on fences. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/si_dma.c')
-rw-r--r--drivers/gpu/drm/radeon/si_dma.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c
index 8e8f46133532..59be2cfcbb47 100644
--- a/drivers/gpu/drm/radeon/si_dma.c
+++ b/drivers/gpu/drm/radeon/si_dma.c
@@ -195,13 +195,8 @@ int si_copy_dma(struct radeon_device *rdev,
return r;
}
- if (radeon_fence_need_sync(*fence, ring->idx)) {
- radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
- ring->idx);
- radeon_fence_note_sync(*fence, ring->idx);
- } else {
- radeon_semaphore_free(rdev, &sem, NULL);
- }
+ radeon_semaphore_sync_to(sem, *fence);
+ radeon_semaphore_sync_rings(rdev, sem, ring->idx);
for (i = 0; i < num_loops; i++) {
cur_size_in_bytes = size_in_bytes;